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1
11 package org.eclipse.swt.internal.theme;
12
13 import org.eclipse.swt.*;
14 import org.eclipse.swt.graphics.*;
15 import org.eclipse.swt.internal.win32.*;
16
17 public class ScrollBarDrawData extends RangeDrawData {
18 public int thumb;
19 public int increment;
20 public int pageIncrement;
21
22 public ScrollBarDrawData() {
23 state = new int[6];
24 }
25
26 void draw(Theme theme, GC gc, Rectangle bounds) {
27 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
28 int hTheme = OS.OpenThemeData(0, getClassId());
29 RECT rect = new RECT ();
30 if ((style & SWT.VERTICAL) != 0) {
31 int width = OS.GetThemeSysSize(hTheme, OS.SM_CXVSCROLL);
32 rect.left = bounds.x;
33 rect.right = rect.left + bounds.width;
34 rect.top = bounds.y;
35 rect.bottom = rect.top + width;
36 int[] part = getPartId(DrawData.SCROLLBAR_UP_ARROW);
37 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
38 rect.bottom = bounds.y + bounds.height;
39 rect.top = rect.bottom - width;
40 part = getPartId(DrawData.SCROLLBAR_DOWN_ARROW);
41 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
42 int totalWidth = bounds.height - 2 * width;
43 int thumbWidth = Math.max(width / 2, (totalWidth * thumb) / Math.max(1, (maximum - minimum))); int thumbPos = bounds.y + width + Math.max(0, (totalWidth * selection) / Math.max(1, (maximum - minimum)));
45 rect.top = bounds.y + width;
46 rect.bottom = thumbPos;
47 part = getPartId(DrawData.SCROLLBAR_UP_TRACK);
48 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
49 rect.top = rect.bottom;
50 rect.bottom = rect.top + thumbWidth;
51 part = getPartId(DrawData.SCROLLBAR_THUMB);
52 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
53 OS.DrawThemeBackground (hTheme, gc.handle, OS.SBP_GRIPPERVERT, part[1], rect, null);
54 rect.top = rect.bottom;
55 rect.bottom = bounds.y + bounds.height - width;
56 part = getPartId(DrawData.SCROLLBAR_DOWN_TRACK);
57 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
58 } else {
59 int height = OS.GetThemeSysSize(hTheme, OS.SM_CXVSCROLL);
61 rect.top = bounds.y;
62 rect.bottom = rect.top + bounds.height;
63 rect.left = bounds.x;
64 rect.right = rect.left + height;
65 int[] part = getPartId(DrawData.SCROLLBAR_LEFT_ARROW);
66 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
67 rect.right = bounds.x + bounds.width;
68 rect.left = rect.right - height;
69 part = getPartId(DrawData.SCROLLBAR_RIGHT_ARROW);
70 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
71 int totalWidth = bounds.width - 2 * height;
72 int thumbWidth = Math.max(height / 2, (totalWidth * thumb) / (maximum - minimum)); int thumbPos = bounds.x + height + Math.max(0, (totalWidth * selection) / Math.max(1, (maximum - minimum)));
74 rect.left = bounds.x + height;
75 rect.right = thumbPos;
76 part = getPartId(DrawData.SCROLLBAR_UP_TRACK);
77 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
78 rect.left = rect.right;
79 rect.right = rect.left + thumbWidth;
80 part = getPartId(DrawData.SCROLLBAR_THUMB);
81 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
82 OS.DrawThemeBackground (hTheme, gc.handle, OS.SBP_GRIPPERHORZ, part[1], rect, null);
83 rect.left = rect.right;
84 rect.right = bounds.x + bounds.width - height;
85 part = getPartId(DrawData.SCROLLBAR_DOWN_TRACK);
86 OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
87 }
88 OS.CloseThemeData (hTheme);
89 }
90 }
91
92 char[] getClassId() {
93 return SCROLLBAR;
94 }
95
96 int[] getPartId(int part) {
97 int iPartId = 0, iStateId = 0;
98 int state = this.state[part];
99 switch (part) {
100 case DrawData.SCROLLBAR_UP_ARROW:
101 iPartId = OS.SBP_ARROWBTN;
102 if ((style & SWT.VERTICAL) != 0) {
103 iStateId = OS.ABS_UPNORMAL;
104 if ((state & DrawData.HOT) != 0) iStateId = OS.ABS_UPHOT;
105 if ((state & DrawData.PRESSED) != 0) iStateId = OS.ABS_UPPRESSED;
106 if ((state & DrawData.DISABLED) != 0) iStateId = OS.ABS_UPDISABLED;
107 } else {
108 iStateId = OS.ABS_LEFTNORMAL;
109 if ((state & DrawData.HOT) != 0) iStateId = OS.ABS_LEFTHOT;
110 if ((state & DrawData.PRESSED) != 0) iStateId = OS.ABS_LEFTPRESSED;
111 if ((state & DrawData.DISABLED) != 0) iStateId = OS.ABS_LEFTDISABLED;
112 }
113 break;
114 case DrawData.SCROLLBAR_DOWN_ARROW:
115 iPartId = OS.SBP_ARROWBTN;
116 if ((style & SWT.VERTICAL) != 0) {
117 iStateId = OS.ABS_DOWNNORMAL;
118 if ((state & DrawData.HOT) != 0) iStateId = OS.ABS_DOWNHOT;
119 if ((state & DrawData.PRESSED) != 0) iStateId = OS.ABS_DOWNPRESSED;
120 if ((state & DrawData.DISABLED) != 0) iStateId = OS.ABS_DOWNDISABLED;
121 } else {
122 iStateId = OS.ABS_RIGHTNORMAL;
123 if ((state & DrawData.HOT) != 0) iStateId = OS.ABS_RIGHTHOT;
124 if ((state & DrawData.PRESSED) != 0) iStateId = OS.ABS_RIGHTPRESSED;
125 if ((state & DrawData.DISABLED) != 0) iStateId = OS.ABS_RIGHTDISABLED;
126 }
127 break;
128 case DrawData.WIDGET_WHOLE:
129 case DrawData.SCROLLBAR_THUMB:
130 if ((style & SWT.VERTICAL) != 0) {
131 iPartId = OS.SBP_THUMBBTNVERT;
132 } else {
133 iPartId = OS.SBP_THUMBBTNHORZ;
134 }
135 break;
136 case DrawData.SCROLLBAR_UP_TRACK:
137 if ((style & SWT.VERTICAL) != 0) {
138 iPartId = OS.SBP_UPPERTRACKVERT;
139 } else {
140 iPartId = OS.SBP_UPPERTRACKHORZ;
141 }
142 break;
143 case DrawData.SCROLLBAR_DOWN_TRACK:
144 if ((style & SWT.VERTICAL) != 0) {
145 iPartId = OS.SBP_LOWERTRACKVERT;
146 } else {
147 iPartId = OS.SBP_LOWERTRACKHORZ;
148 }
149 break;
150 }
151 if (part != DrawData.SCROLLBAR_DOWN_ARROW && part != DrawData.SCROLLBAR_UP_ARROW) {
152 iStateId = OS.SCRBS_NORMAL;
153 if ((state & DrawData.HOT) != 0) iStateId = OS.SCRBS_HOT;
154 if ((state & DrawData.PRESSED) != 0) iStateId = OS.SCRBS_PRESSED;
155 if ((state & DrawData.DISABLED) != 0) iStateId = OS.SCRBS_DISABLED;
156 }
157 return new int[]{iPartId, iStateId};
158 }
159
160 Rectangle getBounds(int part, Rectangle bounds) {
161 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
162 int hTheme = OS.OpenThemeData(0, getClassId());
163 if ((style & SWT.VERTICAL) != 0) {
164 int width = OS.GetThemeSysSize(hTheme, OS.SM_CXVSCROLL);
165 int totalWidth = bounds.height - 2 * width;
166 int thumbWidth = Math.max(width / 2, (totalWidth * thumb) / Math.max(1, (maximum - minimum))); int thumbPos = bounds.y + width + Math.max(0, (totalWidth * selection) / Math.max(1, (maximum - minimum)));
168 switch (part) {
169 case DrawData.SCROLLBAR_DOWN_ARROW:
170 return new Rectangle(bounds.x, bounds.y + bounds.height - width, bounds.width, width);
171 case DrawData.SCROLLBAR_UP_ARROW:
172 return new Rectangle(bounds.x, bounds.y, bounds.width, width);
173 case DrawData.SCROLLBAR_UP_TRACK:
174 return new Rectangle(bounds.x, bounds.y + width, bounds.width, thumbPos - bounds.y - width);
175 case DrawData.SCROLLBAR_THUMB:
176 return new Rectangle(bounds.x, thumbPos, bounds.width, thumbWidth);
177 case DrawData.SCROLLBAR_DOWN_TRACK:
178 return new Rectangle(bounds.x, thumbPos + thumbWidth, bounds.width, bounds.y + bounds.height - width - thumbPos - thumbWidth);
179 }
180 } else {
181
182 }
183 OS.CloseThemeData (hTheme);
184 }
185 return super.getBounds(part, bounds);
186 }
187
188 int getSelection(Point position, Rectangle bounds) {
189 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
190 int hTheme = OS.OpenThemeData(0, getClassId());
191 if ((style & SWT.VERTICAL) != 0) {
192 int width = OS.GetThemeSysSize(hTheme, OS.SM_CXVSCROLL);
193 int totalWidth = bounds.height - 2 * width;
194 int thumbPos = bounds.y + width + Math.max(0, (totalWidth * selection) / Math.max(1, (maximum - minimum)));
195 thumbPos += position.y;
196 int selection = ((thumbPos - bounds.y - width) * (maximum - minimum)) / totalWidth;
197 return Math.max(0, Math.min(selection, maximum - thumb));
198 } else {
199
200 }
201 OS.CloseThemeData (hTheme);
202 }
203 return 0;
204 }
205
206 int hit(Theme theme, Point position, Rectangle bounds) {
207 if (!(OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ())) return -1;
208 int hTheme = OS.OpenThemeData(0, getClassId());
209 int hDC = 0;
211 RECT rect = new RECT ();
212 POINT pt = new POINT();
213 pt.x = position.x;
214 pt.y = position.y;
215 short[] code = new short[1];
216 try {
217 if ((style & SWT.VERTICAL) != 0) {
218 int width = OS.GetThemeSysSize(hTheme, OS.SM_CXVSCROLL);
219 rect.left = bounds.x;
220 rect.right = rect.left + bounds.width;
221 rect.top = bounds.y;
222 rect.bottom = rect.top + width;
223 int[] part = getPartId(DrawData.SCROLLBAR_UP_ARROW);
224 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
225 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_UP_ARROW;
226 rect.bottom = bounds.y + bounds.height;
227 rect.top = rect.bottom - width;
228 part = getPartId(DrawData.SCROLLBAR_DOWN_ARROW);
229 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
230 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_DOWN_ARROW;
231 int totalWidth = bounds.height - 2 * width;
232 int thumbWidth = Math.max(width / 2, (totalWidth * thumb) / Math.max(1, (maximum - minimum))); int thumbPos = bounds.y + width + Math.max(0, (totalWidth * selection) / Math.max(1, (maximum - minimum)));
234 rect.top = bounds.y + width;
235 rect.bottom = thumbPos;
236 part = getPartId(DrawData.SCROLLBAR_THUMB);
237 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
238 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_UP_TRACK;
239 rect.top = rect.bottom;
240 rect.bottom = rect.top + thumbWidth;
241 part = getPartId(DrawData.SCROLLBAR_UP_TRACK);
242 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
243 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_THUMB;
244 rect.top = rect.bottom;
245 rect.bottom = bounds.y + bounds.height - width;
246 part = getPartId(DrawData.SCROLLBAR_DOWN_TRACK);
247 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
248 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_DOWN_TRACK;
249 } else {
250 int height = OS.GetThemeSysSize(hTheme, OS.SM_CXVSCROLL); rect.top = bounds.y;
252 rect.bottom = rect.top + bounds.height;
253 rect.left = bounds.x;
254 rect.right = rect.left + height;
255 int[] part = getPartId(DrawData.SCROLLBAR_LEFT_ARROW);
256 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
257 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_UP_ARROW;
258 rect.right = bounds.x + bounds.width;
259 rect.left = rect.right - height;
260 part = getPartId(DrawData.SCROLLBAR_RIGHT_ARROW);
261 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
262 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_DOWN_ARROW;
263 int totalWidth = bounds.width - 2 * height;
264 int thumbWidth = Math.max(height / 2, (totalWidth * thumb) / (maximum - minimum)); int thumbPos = bounds.x + height + Math.max(0, (totalWidth * selection) / Math.max(1, (maximum - minimum)));
266 rect.left = bounds.x + height;
267 rect.right = thumbPos;
268 part = getPartId(DrawData.SCROLLBAR_LEFT_TRACK);
269 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
270 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_UP_TRACK;
271 rect.left = rect.right;
272 rect.right = rect.left + thumbWidth;
273 part = getPartId(DrawData.SCROLLBAR_THUMB);
274 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
275 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_THUMB;
276 rect.left = rect.right;
277 rect.right = bounds.x + bounds.width - height;
278 part = getPartId(DrawData.SCROLLBAR_RIGHT_TRACK);
279 OS.HitTestThemeBackground(hTheme, hDC, part[0], part[1], 0, rect, 0, pt, code);
280 if (code[0] != OS.HTNOWHERE) return DrawData.SCROLLBAR_DOWN_TRACK;
281 }
282 } finally {
283 OS.CloseThemeData (hTheme);
284 }
285 return DrawData.WIDGET_NOWHERE;
286 }
287
288 }
289 |
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